Class 10 Maths Constructions Construct a triangle

Construction 2 : To construct a triangle similar to a given triangle as per given scale factor.

Given a Δ, construct another triangle whose sides are ¾ of corresponding sides of triangle Δ.

Steps:

  • Draw Δ
  • Draw ray AX making an acute angle with AB
  • Locate 4 equal points A1 to A4 on AX & Join A4B
  • Draw line through A3 parallel to A4B to intersect AB at B′.
  • Draw line through B′ parallel BC to intersect AC at C’

 

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